Keysight Technologies N5224AU-401, Installation Note

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Installation Note N5225-90105 9
Installation Procedure for the Upgrade
The network analyzer must be in proper working condition prior to installing this option. Any necessary repairs
must be made before proceeding with this installation.
WARNING
This installation requires the removal of the analyzer’s protective outer covers. The analyzer
must be powered down and disconnected from the mains supply before performing this
procedure.
Overview of the Installation Procedure
Step 1. Obtain a Keyword and Verify the Information.
Step 2. Remove the Outer Cover.
Step 3. Remove the Front Panel Assembly.
Step 4. Remove Some Existing Cables.
Step 5. Remove a 3 dB Pad.
Step 6. Assemble the A37 Reference Mixer Switch Assembly.
Step 7. Install the A37 Reference Mixer Switch Assembly.
Step 8. Install the New Cables.
Step 9. Remove the Old Lower Front Panel Overlay.
Step 10. Reinstall Front Panel Assembly.
Step 11. Install the New Lower Front Panel Overlay.
Step 12. Install Front Panel Jumpers.
Step 13. Position the Cables and Wires to Prevent Pinching.
Step 14. Reinstall the Outer Cover.
Step 15. Enable Option 401.
Step 16. Perform Post-Upgrade Adjustments and Calibration.
Step 17. Prepare the PNA for the User.